Rochetta Tyler, right, aunt of three year-old Deonta' Howard, comforts his grandmother Semehca Nunn outside Mt. Sinai Hospital. Deonta' was among 13 people who were shot at Cornell Square Park in the Back of the Yards neighborhood on Thursday.

Rochetta Tyler, right, aunt of three year-old Deonta' Howard, comforts his grandmother Semehca Nunn outside Mt. Sinai Hospital. Deonta' was among 13 people who were shot at Cornell Square Park in the Back of the Yards neighborhood on Thursday. (E. Jason Wambsgans, Chicago Tribune)

Emergency personnel transport victims from the scene where at least 13 people, including a 3-year-old, were shot at Cornell Square Park in the Back of the Yards neighborhood of Chicago.

Emergency personnel transport victims from the scene where at least 13 people, including a 3-year-old, were shot at Cornell Square Park in the Back of the Yards neighborhood of Chicago. (E. Jason Wambsgans, Chicago Tribune)

Thirteen people, including a 3-year-old boy who suffered a gunshot wound to the head, were shot at a Chicago park in the Back of the Yards neighborhood Thursday night, authorities said. Want more? Discuss this article and others on RedEye's Facebook page.